H2O: Just Add Water

Season 2

TV-PG

71%

Three ordinary teenage girls discover a moon pool on Mako Island that turns them into extraordinary mermaids with special powers over water on the night of a full moon. They must never look in the moon's eye or there will be side effects for each of them.

Where to Watch Season 2

26 Episodes

Stormy Weather
E1
Stormy WeatherWith Cleo's parents now divorced, Cleo is ordered by her dad to take more care of Kim, starting with taking her to a concert. But on the night, Cleo, Rikki and Emma all accidentally see the full moon, and take off to Mako Island, with Lewis in hot pursuit. Once there, the girls undergo another magical transformation in the Moon Pool, as a rare planetary alignment intensifies the power of the full moon – Emma's power is enhanced so that she can produce snow and frost, Rikki can conjure lightning, and Cleo can now control wind as well as water. After the moonstruck girls nearly harm Lewis, they realise that they must work to control their new powers, before anyone else gets hurt.
Control
E2
ControlThe girls have problems with their new powers and Cleo finds that Lewis isn't helping. A new girl called Charlotte arrives and develops a crush on a certain charecter
The One That Got Away
E3
The One That Got AwayZane wants Rikki to get back together with him but she is having doubts. Cleo is jealous that Lewis is spending so much time with Charlotte. He confronts her but she denies it, saying she's just worried Charlotte will find out their secret.
Fire and Ice
E4
Fire and IceAfter Rikki calls Emma responsible, Emma decides to do the opposite and throw a party while her parents are away. Nate gets dating advice from Lewis and uses it on Cleo. When Lewis discovers this at Emma's party, a fight breaks out and Emma's mom's new glass dolphin figurine gets broken.
Hocus Pocus
E5
Hocus PocusTrouble is in the air as the Setori's start to suffer and the JuiceNet is endangered by a new bar. But when Lewis finds a book of mermaid spells, the girls attempt to use a potion to fix everything. However, things aren't so easy when you have special powers.
Pressure Cooker
E6
Pressure CookerCleo is worried when she sees her dad around with another woman. When she arrives at their house, she turns out to be Charlotte's mother! Meanwhile, Rikki and Emma attempt to save the Sertori's dinner with their powers.
In Hot Water
E7
In Hot WaterCleo is fired from the marine park and Lewis is hired not realizing that he is taking Cleo's job. Rikki and Emma swim to the park and take revenge on him while he is trying to serve ice cream. He discovers them and they swim away, accidentally leaving the dolphin's door open. Ronnie (the dolphin) escapes and the girls have to find him and return him to the marine park before Lewis gets in trouble from being accused of the one who did it.
Wrong Side of the Tracks
E8
Wrong Side of the TracksZane is accused of being the one who steals Rikki's dad's motorcycle emblem when he attempts to return it. Rikki is embarrassed that she lives in a trailer park and lies to Zane about living elsewhere. Zane tries to patch things up with Rikki's dad when he discovers who he is and fixes his motorcycle.
Riding for a Fall
E9
Riding for a FallEmma takes her brother for horseback riding lessons and immediately takes a disliking to his instructor, Ash. She doesn't listen to his instructions and accidentally allows his horse to eat some weeds that make him sick. A misunderstanding has Lewis with 2 dates to an award banquet.
Missed the Boat
E10
Missed the BoatCleo begins to fail Biology because she hasn't been studying with Lewis. Charlotte volunteers to tutor her so that Lewis won't have to and gives her a lot of work to do, keeping her busy all weekend. Cleo gets wet while spying on Lewis and Charlotte so Lewis kisses Charlotte to keep her from seeing Cleo.
In Over Our Heads
E11
In Over Our HeadsRikki's father stresses over bills and thinks they may have to move. Zane shows Rikki information about a sunken treasure and she manipulates the situation to get Emma and Cleo to help with the search. When they discover she deceived them, they get upset and leave Rikki and Zane alone to search. Rikki finds it, but is knocked unconscious when the crate hits her as she is trying to get it up to Zane.
Fish Fever
E12
Fish FeverBoth Cleo's fish and Emma hurt themselves on a piece of coral. They begin acting strangely and Rikki and Cleo have to figure out why. Lewis brings the fish and piece of coral to a scientist who comes up with a cure for the fish. Lewis brings the rest of the antidote back to Emma to cure her too.
Moonwalker
E13
MoonwalkerOn the night of a full moon, Lewis, Emma, Rikki and Charlotte accompany Cleo's family for a camping trip at Mako. When all three girls are affected by the moon, they are unable to stop the curious Charlotte.
Get Off My Tail
E14
Get Off My TailEmma gets mad when Ash gets the Manager job that she thought she was going to get at the juice bar. She fights him about every change he makes until he fires her for something she didn't do. Lewis tells Charlotte that Cleo is his friend and he plans to spend time with her too.
Irresistable
E15
IrresistableZane learns of the myth of Ambergris, a fragrance that can make mermaids fall for any man that wears it. When he buys it, Nate ends up wearing it and Emma, Cleo and Rikki all fall for him!
Double Trouble
E16
Double TroubleLewis keeps dreaming that Cleo is discovered to be a mermaid. Elliot has a crush on Kim and she agrees to go on a date with him to the marine park. Don makes Cleo chaperone. Emma is suspicious of Rikki and Ash's private conversations.
Moonstruck
E17
MoonstruckIt's full moon and the girls insist that they don't need Lewis to assit his help as all three girls are staying at Emma's and Ash is coming over. When Cleo and Rikki fall under the moon spell, can Lewis stop them from revealing their secret to Ash?
The Heat Is On
E18
The Heat Is OnCleo plans a party at the moon pool to celebrate the one year anniversary of the girls becoming mermaids, but when Zane and Ash have an argument at the juice bar, Rikki and Emma take sides against each other and forget about the party.
The Gracie Code (1)
E19
The Gracie Code (1)Lewis is trying to find more information on the moon pool and stumbles across research on it by Max Hamilton from fifty years ago. Will Lewis reveal the girls secret to him in order to complete the puzzle?
The Gracie Code (2)
E20
The Gracie Code (2)Charlotte demands answers to why Lewis is hanging out with the girls so much. She starts to believe an excuse from Cleo, but then a discovery from inside Max's research brings her to the secret! Meanwhile, Ash decides to help Emma with her "fear of water"
And Then There Were Four
E21
And Then There Were FourCharlotte's stubborn nature and thirst for knowledge leads her to Max, who confirms her suspicions and leads her to the Moon Pool. Lewis meanwhile is having trouble trying to keep their relationship together.
Bubble Bubble, Toil and Trouble
E22
Bubble Bubble, Toil and TroubleEveryone is shocked to discover that Charlotte is now a mermaid too. The girls reluctantly try to help her adapt to her new life, but Charlotte doesn't want to listen. She gets wet at a volleyball competition and has to run off into the water. Later she discovers that she has all 3 of the powers that Cleo, Rikki and Emma have.
Reckless
E23
RecklessNate blames Lewis for wrecking his jet ski. When Lewis refuses to pay him, Nate attempts to steal Lewis' boat, but Charlotte refuses to let Nate go, using her powers to stop the boat and bounce Nate around inside it. Cleo, Rikki and Emma get more frustrated at Charlotte's recklessness.
Three's Company
E24
Three's CompanyCharlotte decides to throw a surprise party for Lewis but ignores all of Cleo, Rikki and Emma's advice about what he likes. She invites all her own friends and throws a party that Lewis isn't quite comfortable with. During the party she traps Cleo and Emma in a pool room and causes a pipe to spill water all over them. Rikki saves them just before Ash discovers them in mermaid form and all 3 decide to throw Lewis their own party.
Sea Change
E25
Sea ChangeAngry over the short friendship with the girls, Charlotte forces Lewis to choose between her and his friends. This results in Cleo to feel isolated and she runs away and gets lost. When he is informed, Lewis must make up his mind: Cleo or Charlotte?
Unfathomable
E26
UnfathomableA unusual and rare planetary alingment is set to cause the full moon to remove a mermaids powers if they enter the moon pool! Charlotte shows immunity and tries to reveal the girls secret before Lewis takes her to Mako Island. The girls follow and a battle erupts. But who will win?